Instruction Source: Q23.0
Congenital stenosis of aortic valve
Excludes 1 (Mutually Exclusive)
- congenital stenosis of aortic valve in hypoplastic left heart syndrome (Q23.4)
- congenital subaortic stenosis (Q24.4)
- supravalvular aortic stenosis (congenital) (Q25.3)
Instruction Source: Q23
Congenital malformations of aortic and mitral valves
Instruction Source: Q20-Q28
Congenital malformations of the circulatory system (Q20-Q28)
Instruction Source: Q00-QA1
Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
Excludes 2 (Not Included Here)
- inborn errors of metabolism (E70-E88)
Clinical Notes
- Codes from this chapter are not for use on maternal records